A human iPSC line was generated from fibroblasts of a patient affected with autosomal dominant Retinitis Pigmentosa (RP) carrying the mutation p.Gly56Arg in the NR2E3 gene. The transgene-free iPSCs were generated with the human OSKM transcription factors using the Sendai-virus reprogramming system. iPSCs contained the expected c.166G>A substitution in exon 2 of NR2E3, expressed the expected pluripotency markers, displayed in vivo differentiation potential to the three germ layers and had normal karyotype. This cellular model will provide a powerful tool to study the pathogenesis of NR2E3-associated RP. Resource table.
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http://dx.doi.org/10.1016/j.scr.2017.08.003 | DOI Listing |
Zh Nevrol Psikhiatr Im S S Korsakova
December 2024
Bochkov Research Centre for Medical Genetics, Moscow, Russia.
A fifth world case of autosomal recessive Siddiqi syndrome (SIDDIS) related to ene is presented. In a consanguineous Lezgin (a Dagestan ethnicity) family, there were two affected brothers aged 28 yrs (proband, personally examined) and 32 yrs. Whole-exome sequencing followed by familial Sanger sequencing detected a novel missence variant c.
View Article and Find Full Text PDFEur J Neurol
January 2025
Service de Génétique Médicale, CHU Bordeaux, Bordeaux, France.
Purpose: Heterozygous pathogenic variants in SPAST are known to cause Hereditary Spastic Paraplegia 4 (SPG4), the most common form of HSP, characterized by progressive bilateral lower limbs spasticity with frequent sphincter disorders. However, there are very few descriptions in the literature of patients carrying biallelic variants in SPAST.
Methods: Targeted Sanger sequencing, panel sequencing and exome sequencing were used to identify the genetic causes in 9 patients from 6 unrelated families with symptoms of HSP or infantile neurodegenerative disorder.
Clin Genet
December 2024
Department of Medical Genetics, Basaksehir Cam and Sakura City Hospital, Istanbul, Turkey.
Renal ciliopathies are a genetically and phenotypically heterogeneous group of diseases characterized by cystic and dysplastic kidneys. The aim of this study was to investigate the correlation between genetic changes that cause renal ciliopathies and phenotypic outcomes. The study group consisted of 137 patients diagnosed with renal ciliopathy disease.
View Article and Find Full Text PDFCerebellum
December 2024
Department of Neurology, International University of Health and Welfare Mita Hospital, Mita 1-4-3, Minato-ku, Tokyo, 108-8329, Japan.
Variants in KIF1A are associated with hereditary spastic paraplegia (SPG30), which can manifest in both pure and complex forms. We describe a Japanese family with a novel KIF1A variant presenting with a complex form of SPG30. Patient 1, a 69-year-old woman, experienced progressive gait disturbance due to spastic paraparesis and cerebellar atrophy, and intellectual disability.
View Article and Find Full Text PDFIndian J Ophthalmol
December 2024
Srimati Kanuri Santhamma Center for Vitreoretinal Diseases, Anant Bajaj Retina Institute, Kallam Anji Reddy Campus, L V Prasad Eye Institute, Hyderabad, Telangana, India.
Purpose: To assess the clinical phenotypes and genetic mutations in patients with Leber congenital amaurosis (LCA) from a tertiary eye care center in India.
Design: Retrospective observational study.
Methods: The study includes patients with a clinical diagnosis of LCA who underwent genetic testing from January 2016 to December 2021.
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